Discovery certificate for object 2017kdy
TNS Astronomical Transient Report No. 42153 [ 2019TNSTR1294....1T ]

Date Received (UTC): 2019-07-21 13:09:39
Sender: Ms. Melina Thévenot
Source Group: None

Melina Thévenot report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017kdy
Coordinates (J2000): RA = 00:22:02.160 (5.509) DEC = +22:25:49.80 (22.4305)
Discovery date: 2017-07-26 08:45:28 (JD=2457960.8649074)

Potential host galaxy: 2MASX J00220205+2225531
Host redshift: 0.071463

Remarks: An Absolute Magnitude of about -17 for the g-band and about -18 for the r-band was also calculated.

Photometry

Discovery (first detection):
Discovery date: 2017-07-26 08:45:28
Flux: 19.3 ABMag
Filter: r-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: The Apparent Magnitude was calculated with the Aperture Photometry Tool, using SDSS J002208.51+222625.2 http://skyserver.sdss.org/dr15/en/tools/explore/Summary.aspx?ra=5.5355&dec=22.4405.

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017kdy